440155441 has 16 divisors (see below), whose sum is σ = 494964288. Its totient is φ = 387892800.

The previous prime is 440155433. The next prime is 440155481. The reversal of 440155441 is 144551044.

It is a cyclic number.

It is not a de Polignac number, because 440155441 - 2³ = 440155433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440155481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117406 + ... + 121096.

It is an arithmetic number, because the mean of its divisors is an integer number (30935268).

Almost surely, 2^440155441 is an apocalyptic number.

It is an amenable number.

440155441 is a deficient number, since it is larger than the sum of its proper divisors (54808847).

440155441 is a wasteful number, since it uses less digits than its factorization.

440155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 440155441 is about 20979.8818156824. The cubic root of 440155441 is about 760.6800474759.

The spelling of 440155441 in words is "four hundred forty million, one hundred fifty-five thousand, four hundred forty-one".